How to find or recover a Microsoft Office 2010 product key that's already installed

"Does anyone know where I can find the product key for Office 2010? I need to reinstall it on a Dell computer, but I don't have the Office serial number. I have several keys at hand, but I'm worried that the key I install might have been used on another computer within the company."

Does the problem occur when you show the reason? To be honest, we didn't mention saving the product key of Microsoft Office 2010 in an easily accessible place for future use when installing it on your computer. However, how can you find the serial number that was installed a long time ago? Here, you can get 4 quick methods to locate the Office 2010 product key. Choose either manual or automatic recovery to get back the forgotten program key.

1. Option 1. Find Office 2010 Product Key using CMD
2. Option 2. Find Office Product Key through Registry
3. Option 3. Find Office 2010 Product Key with a Third-party Product Key Finder
4. Option 4. Get MS Product Key with VBScript
5. Option 5. Find Serial Number from Email Receipt, Package Box, or Certificate

Option 1: Retrieve Office 2010 Product Key using CMD

After it's installed on your computer, you can find the lost product key through Command Prompt. You'll need to figure out whether you have the 32-bit or 64-bit version of Office first, though. Check which version of Office you have.

Note: How do I tell whether my version of Office is 32-bit or 64-bit?

Step 1: Open your Office application. Click on the "File" tab and then select "Account" from the left-hand menu.

Step 2. Under the Product Information section, you can view the basic details of Microsoft Office 2010. Click on the About Excel section to find out whether you have the 32-bit or 64-bit version of Office.

How to Find the Product Key for Microsoft Office 2010

Step 1: Press the Windows + R keys on your keyboard to open the Run dialog box. Type 'cmd' and press Enter to open the Command Prompt.

Step 2: When the Command Prompt window appears, type the following command and press Enter:

For the 32-bit version of Windows:

Office 2010 (32-bit): cscript "C:\Program Files\Microsoft Office\Office14\OSPP.VBS" /dstatus

For the 64-bit version of Windows:

Office 2010 (32-bit edition): cscript "C:\Program Files (x86)\Microsoft Office\Office14\OSPP.VBS" /dstatus

Office 2010 (64-bit version): cscript "C:\Program Files\Microsoft Office\Office14\OSPP.VBS" /dstatus

Step 3: You can view the details of your installed Office. Look for the last 5 characters of the product key that was installed.

Step 4: Contact Microsoft to trace your full Office key.

Option 2: Find Office Product Key using the Registry

To find the product key of an installed program, you can look for the Office serial number in the registry. However, the product key is encrypted and is usually unreadable.

Step 1: Press Windows + R to open the “Run” dialog box, type Regedit, and press Enter.

Step 2. Trace the path to find DigitalProductID: HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\CurrentVersion\DigitalProductID.

Option 3: Find your Office 2010 product key using a third-party Product Key Finder tool

Instead of going through many steps or searching through boxes and stickers, we recommend using the Key Finder tool to easily retrieve your Microsoft Office 2010. After downloading this free software, you'll see the highlighted “Product Key” feature on the left pane, allowing you to export and save keys for Office, Windows, and Adobe products in just two steps.

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How to Find the Product Key for Microsoft Office 2010

Step 1: Click on "Applications" under "Registry Keys."

Step 2: On the right pane, view the Application Registry Key. The tool Key Finder will display the keys of all installed software. Copy the target serial number. You can also click on “Print” or “Save.”

4 Ways to Find Your Microsoft Office Product Key

How to find your Microsoft Office product key? Here are 4 effective methods to help you locate the Microsoft Office product key.

Option 4: Retrieving MS Product Keys via VBScript

Step 1: Type "Notepad" into the search box and open it.

Step 2: Copy and paste the code.

Set WshShell = CreateObject("WScript.Shell")
MsgBox ConvertToKey(WshShell.RegRead("HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId"))
Function ConvertToKey(Key)
Const KeyOffset = 52
i = 28
Chars = "BCDFGHJKMPQRTVWXY2346789"
Do
Cur = 0
x = 14
Do While x >= 0
Cur = Cur * 256
Cur = Key(x + KeyOffset) + Cur
Key(x + KeyOffset) = (Cur \ 24) And 255
Cur = Cur Mod 24
x = x - 1
Loop
i = i - 1
KeyOutput = Mid(Chars, Cur + 1, 1) & KeyOutput
If ((29 - i) Mod 6) = 0 And i <> -1 Then
i = i - 1
KeyOutput = "-" & KeyOutput
End If
Loop While i >= 0
ConvertToKey = KeyOutput
End Function

Step 3: Click on the “File” tab and choose “Save As…”

Save the name as findproductkey.vbs

Select the file type as “All Files” (&A) and click on the Save button.

Step 4. Locate your VBScript file and double-click it to open.

This will prompt the Product Key window to appear, where you can view your lost MS Office key, and then click “OK.”

Option 5: Look for the serial number on an email receipt, packaging, or certificate

Aside from using CMD commands, the registry, the KeyFinder tool, VBScript, and other online methods, you can also try the following approaches, though they may take more time to search for remaining licenses.

1 - Check your email receipt

If you bought Microsoft Office from an online store, your Product Key should have been emailed to you. Search for an email from Microsoft.

2 - Check the preloaded computer certificates

If you have Microsoft Office pre-installed on your computer, you can check the certificate to find the product key.

3 - Look for your product key on the packaging

If you purchased MS Office in a box, check the packaging if you still have it.

Last Words

In this article, you will find five methods to get your MS Office product key. Based on my recommendation, the Key Finder tool and the CMD are reliable options with straightforward steps. If you're unsure which method to choose, give these two a try.